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ALD4303ASB Datasheet(PDF) 1 Page - Advanced Linear Devices |
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ALD4303ASB Datasheet(HTML) 1 Page - Advanced Linear Devices |
1 / 6 page Operating Temperature Range * -55 °C to +125°C0°C to +70°C0°C to +70°C 14-Pin 14-Pin 14-Pin CERDIP Small Outline Plastic Dip Package Package (SOIC) Package ALD4303ADB ALD4303ASB ALD4303APB ALD4303DB ALD4303SB ALD4303PB QUAD PRECISION MICROPOWER CMOS VOLTAGE COMPARATOR WITH DRIVER ALD4303A/ALD4303 ORDERING INFORMATION APPLICATIONS • Sensor detection circuits • PCMCIA instruments • MOSFET driver • High source impedance voltage comparison circuits • Multiple limit window comparator • Power supply voltage monitor • Photodetector sensor circuit • High speed LED driver • Oscillators • Battery operated instruments • Remote signal detection • Multiple relay drivers BENEFITS • Extremely low power and high precision combination • Built-in high input impedance buffer • Built-in output driver with up to 60mA sink current ADVANCED LINEAR DEVICES, INC. FEATURES • 3V, 5V and 12V supply • Guaranteed to drive 200 Ω loads • Fanout of 30LS TTL loads • Guaranteed maximum supply current of 22 µA per comparator • Industry standard pinout of LM393 type • Extremely low input bias currents -- 10pA • Virtually eliminates source impedance effects • Single (+5V) and dual supply ( ±5V) operation • CMOS, NMOS and TTL compatible • Open drain wired-OR outputs • Compatible with push-pull outputs • High output sinking current -- 60mA • Low supply current spikes • High gain -- 100V/mV GENERAL DESCRIPTION The ALD4303A/ALD4303 is a precision monolithic high performance quad voltage comparator with open drain output built with advanced silicon gate CMOS technology. It features very high typical input impedance of 1012 Ω; low input bias current of 10pA; very low power dissipation of 7.5 µA per comparator; micropower operation; high output drive and single (+5V) or dual ( ±5V) power supply operation. The input voltage range includes ground, making this comparator ideal for single supply low level signal detection with high source impedance. The ALD4303A/ALD4303 can be used in connection with other voltage comparator circuits such as the ALD2301/ALD2302/ALD4302 voltage comparators. The outputs can be connected to a higher external voltage than V+ and used in a wired-OR connection with other open drain circuits such as ALD2301/ALD2303. They can also be used with push-pull output types such as ALD2302/ALD4302 voltage compara- tors simultaneously with open drain comparators using a common V+. The ALD4303A/ALD4303 is ideal for a great variety of voltage com- parator applications, especially micropower detection circuits requiring very low input currents, high output currents and low standby power. * Contact factory for industrial temperature range PIN CONFIGURATION BLOCK DIAGRAM © 2005 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com DB, PB, SB PACKAGE +IN 1 -IN 2 +IN 2 03 04 GND -IN 4 +IN 3 -IN 3 02 01 -IN 1 +IN 4 1 14 V+ 2 3 13 12 11 10 9 8 4 5 6 7 V+ (3) INVERTING INPUT - IN 1 (4) NONINVERTING INPUT + IN 1 (5) NONINVERTING INPUT + IN 2 (7) INVERTING INPUT - IN 2 (6) NONINVERTING INPUT + IN 3 (9) INVERTING INPUT - IN 3 (8) INVERTING INPUT - IN 4 (10) (12) NONINVERTING INPUT + IN 4 (11) - + - + - + - + (2) OUT 1 (1) OUT 2 (14) OUT 3 (13) OUT 4 |
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